Day 3: Basic Probability Puzzles #8

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Objective
In this challenge, we practice calculating probability.

Task
In a certain city, the probability of a resident not reading the morning newspaper is , and the probability of a resident not reading the evening newspaper is . The probability they will read both newspapers is .

Find the probability that a resident reads a morning or evening newspaper.

Output Format

In the editor below, submit your answer as Plain Text in the form of an irreducible fraction , where and are both integers.

Your answer should resemble something like:

3/4  

(This is NOT the answer, just a demonstration of the answer format.)

Line: 1 Col: 1
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